On specification of Read/Write shared variables

Author:

Haldar Sibsankar1,Vidyasankar K.2

Affiliation:

1. Motorola, Inc., Sunnyvale, California

2. Memorial University of Newfoundland, St. John's, Newfoundland, Canada

Abstract

A shared variable is an abstraction of persistent interprocess communication. Processors execute operations, often concurrently, on shared variables to exchange information among themselves. The behavior of operation executions is required to be “consistent” for effective interprocess communication. Consequently, a consistency specification of a shared variable describes some guarantees on the behavior of the operation executions. A Read/Write shared variable has two operations: a Write stores a specified value in the variable and a Read returns a value from the variable. For Read/Write variables, a consistency specification describes what values Reads may return. Using an intuitive notion of illegality of Reads, we propose a framework that facilitates specifying a large variety of Read/Write variables.

Publisher

Association for Computing Machinery (ACM)

Subject

Artificial Intelligence,Hardware and Architecture,Information Systems,Control and Systems Engineering,Software

Reference28 articles.

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1. Yet Another Simple Solution for the Concurrent Programming Control Problem;IEEE Transactions on Parallel and Distributed Systems;2011-06

2. A Methodological Construction of an Efficient Sequentially Consistent Distributed Shared Memory;The Computer Journal;2009-11-03

3. Interconnection of distributed memory models;Journal of Parallel and Distributed Computing;2009-03

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